Oscillations in the G-type Giants

Hiroyasu Ando, Yusuke Tsuboi, Eiji Kambe +1

The precise radial-velocity measurements of 4 G-type giants, 11Com, $\zeta$ Hya, $\epsilon$ Tau, and $\eta$ Her were carried out. The short-term variations with amplitudes, 1-7m/s and periods, 3…